BOV air leak?

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Old Jul 26, 2009 | 06:20 PM
  #1  
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Default BOV air leak?

At idle, if i put my hand over my BOV, i feel air pushing out...im thinking this is wrong...but, when i snap the throttle, it goes away, almost like a vacuum feeling...so im asking, is my bov leaking? tighten it? etc...thanks
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Old Jul 26, 2009 | 06:31 PM
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Default Re: BOV air leak?

That's normal
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Old Jul 26, 2009 | 06:56 PM
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Default Re: BOV air leak?

Well i just found the BOV that is on my car, here at http://www.360infiniteusa.com/sbv-bl...val-p-241.html

Thinking it was prolly not acting right, if the thing is only $15.99...jeez...But to me, i would think it should be air tight at idle, or all the way til letting off throttle and needing to then open? Am i thinking wrong?
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Old Jul 26, 2009 | 07:04 PM
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Default Re: BOV air leak?

You have to remember that vacuum from your intake is pullin the BOV open as it would be once you let off the gas to shift and blow off. Once you start making boost it shuts the BOV and the spring inside helps with that operation to. But it should not be blowin air out of the BOV it should be suckin it in. Not sure if it just feels like it to you
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Old Jul 26, 2009 | 07:05 PM
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Default Re: BOV air leak?

Its too late to go start it up, lol...ill double check what feeling it is tomorow morning...but that makes sense...didnt take that into account...appreciate the help!
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Old Jul 26, 2009 | 08:03 PM
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Default Re: BOV air leak?

Originally Posted by slow96lude
You have to remember that vacuum from your intake is pullin the BOV open as it would be once you let off the gas to shift and blow off. Once you start making boost it shuts the BOV and the spring inside helps with that operation to. But it should not be blowin air out of the BOV it should be suckin it in. Not sure if it just feels like it to you
that kinda depends sometimes turbos will spool and creat a little boost at idle, which is why the bov is venting....this seems to be a little more common on the BB turbos
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Old Jul 27, 2009 | 04:40 AM
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Default Re: BOV air leak?

Originally Posted by jsbayer

Thinking it was prolly not acting right, if the thing is only $15.99...jeez...But to me, i would think it should be air tight at idle, or all the way til letting off throttle and needing to then open? Am i thinking wrong?
https://honda-tech.com/forums/forced-induction-16/new-tial-wastegate-plumbing-2608121/

start at post #12 and read what tial has to say about the bov being open
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Old Jul 27, 2009 | 04:55 AM
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Default Re: BOV air leak?

Wow...that is a good laugh, thanks for the link though...clear as day!
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Old Jul 27, 2009 | 06:29 PM
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Default Re: BOV air leak?

that is true tho about the map sensor being before or after the bov. I have no idea at all where the Map would be pre BOV but I see where he is coming from.
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